the documentations and the default value of a `string` prop are not shown

[Kiarokh]

example:

export class Breadcrumbs {


    /**
     * The visual divider that separates items.
     * It must be a single character such as `-` or `,`.
     */
    @Prop()
    public divider: string = '›';

generates:

or:

export class Header {
    /**
     * Icon to display
     */
    @Prop()
    public icon: string | Icon;

    /**
     * Title to display
     */
    @Prop()
    public heading: string;

    /**
     * Subheading to display
     */
    @Prop()
    public subheading: string;

    /**
     * An extra string of text to display along with with the Subheading
     */
    @Prop()
    public supportingText: string;

    /**
     * The visual divider that separates the `subheading` and the `supportingText`.
     * It must be a single character such as `-` or `,`.
     */
    @Prop()
    public subheadingDivider: string = '·';

generates